Staples Rapid SuperStrong 21/6 Galvanized Box of 1000Strong wire staples with sharp edges to guarantee quality penetration up to 30 sheets. The ideal staple for our SuperFlatClinch™ technology staplers.- For stapling up to 30 sheets (80 gsm);- Each box contains 1,000 staples;- Red symbols to reinforce the segmentation - SUPER STRONG;- 6 mm leg length;- Galvanised superstrong wire for best performance;- Sharp edges for best penetration.