Weight of each specification: hand-held drill 22g per piece

10+1 combination A (bag 0.5/0.6/0.7/0.8/0.9/1.0/1.2/1.5/1.8/2.0):30g

10+1 combination B (boxed 0.8/1.0/1.2/1.5/1.8/2.0/2.2/2.5/2.8/3.0):44g

10+1 combination C (boxed 0.8/1.0/1.2/1.5/1.8/2.0/2.2/2.5/2.8/3.0):45g [high speed steel 4341 material black gold full grinding twist drill]]

13+1 combination (bag 0.5/0.6/0.7/0.8/1.0/1.2/1.5/1.8/2.0/2.3/2.6/2.8/3.0):35g

20PCs +1 hand drill set (boxed 0.3/0.35/0.4/0.45/0.5/0.55/0.6/0.65/0.7/0.75/0.8/0.85/0.9/0.95/1.0/1.2/1.3/1.4/1.5/1.6):45g

25PCs +1 hand drill set (blister pack 0.5*5pcs/0.6*5pcs/1.0*3 PCs/1.2/1.5/1.8/2.0/2.4/3.0 2 PCs each):55g

150pcs +1 hand drill set (yellow boxed 0.3-3.2mm):330g

Hand drill + large bench clamp + twist drill combination (default bag, drill specification is 0.8/1.0/1.2/1.5/1.8/2.0/2.2/2.5/2.8/3.0):275g

Hand drill + small clip bed + twist drill combination (default bag, drill specification is 0.8/1.0/1.2/1.5/1.8/2.0/2.2/2.5/2.8/3.0):135g